#include "my_stdio.h"
#include "my_string.h"
#include <stdio.h>
int main()
{
 const char *s = "abcdefg";
 printf("%s: %d\n", s, my_strlen(s));
 mFILE *fp = mfopen("./log.txt", "a");
 if(fp == NULL) return 1;
 mfwrite(s, my_strlen(s), fp);
 mfwrite(s, my_strlen(s), fp);
 mfwrite(s, my_strlen(s), fp);
 mfclose(fp);
 return 0;
}

